Twin Power GYZ-20H Premium MAX Battery Replaces H-D 65991-82B Made in USA 320 CCA
Fits Harley-Davidson, Buell · 1974–1996
See all 29 models this fits
- Harley-Davidson XLH883
- Harley-Davidson XLH883DLX Sportster 883 Deluxe
- Harley-Davidson XLH883HUG Sportster 883 Hugger
- Buell RS1200
- Buell RSS1200
- Harley-Davidson FXR Super Glide II
- Harley-Davidson FXRS-SP Low Rider Sport
- Harley-Davidson XLH1200
- Buell S2 Thunderbolt
- Harley-Davidson FXRT Sport Glide
- Harley-Davidson FXRS Low Glide
- Harley-Davidson FXSTS Springer Softail
- Harley-Davidson FXST Softail Standard
- Harley-Davidson FXSTC Softail Custom
- Harley-Davidson FXEF Fat Bob
- Harley-Davidson XL1200C Sportster 1200 Custom
- Harley-Davidson XL1200S Sportster 1200 Sport
- Harley-Davidson FLST Heritage Softail
- Buell S2T Thunderbolt
- Harley-Davidson FLSTC Heritage Softail Classic
- Harley-Davidson FLSTF Fat Boy
- Harley-Davidson XLS Roadster
- Harley-Davidson FXE Super Glide
- Harley-Davidson FXS Low Rider
- Harley-Davidson FXWG Wide Glide
- Harley-Davidson XLCH
- Buell RR1200
- Harley-Davidson XLH1100
- Buell RR1000
Year and model taken from the manufacturer's fitment data. Not sure? Ask us with your year, make and model.
- Genuine TwinPower product, not a copy
- Authorized dealer — sourced from the manufacturer or their distributor
- Free US shipping over $150 · 90-day returns
Product details
Twin Power GYZ-20H Premium MAX Battery Replaces H-D 65991-82B Made in USA 320 CCA
The Twin Power™ Premium MAX Factory-Activated AGM Batteries are the most advanced lead-acid type battery available. Supplied factory-activated, filled, sealed and charged, these batteries offer extreme vibration resistance, heavy-duty terminals and higher cranking amps. The Premium MAX batteries feature patent-pending embedded brass nuts, additional cold-cranking amps, better charge recovery capability and superior grid components.
| Brand | TwinPower |
|---|---|
| Category | Electrical |
| Part number | twp485021 |
| UPC | 887337216201 |
| Shipping weight | 15.8 lb |
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Free US shipping over $150
$9.95 flat rate under $150, free above it. Most orders dispatch within 1–2 business days and arrive 3–5 business days after that.
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Ships from five US warehouses
Your order leaves whichever warehouse is closest to you, which is what keeps transit times short across the country.
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Fits your bike or your money back
Wrong fit? Send it back and we refund in full. Message us your year, make and model and we will confirm before you order.
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90-day returns, no restocking fees
Return any unused item in its original packaging within 90 days of delivery.
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Authorized dealer, genuine parts
Every part is sourced directly from the manufacturer or their authorized distributor — this one from TwinPower.
Motorcycle parts are model specific and the same part often changes between model years. If you are not certain this one fits, ask us first — it takes a minute and it saves a return.
- Send the bike. Year, make, model and trim — for example “2021 Suzuki GSX-R750”.
- Send the VIN if you have it. It removes any doubt about a mid-year running change.
- We confirm before you order. A technician at the dealership checks this part against your bike. No charge, no obligation.